made bounding box rotation spheres and scale cubes grabbable
made bounding box rotation spheres and scale cubes grabbable

RaananW/Babylon.js,BabylonJS/Babylon.js,sebavan/Babylon.js,BabylonJS/Babylon.js,sebavan/Babylon.js,sebavan/Babylon.js,RaananW/Babylon.js,RaananW/Babylon.js,BabylonJS/Babylon.js